Drill bit



FIG. 1 is an elevation view of a right side of a drill bit in accordance with the new design;

FIG. 2 is an elevation view of a left side of the drill bit;

FIG. 3 is a top plan view of the drill bit;

FIG. 4 is a top perspective view of the drill bit; and,

FIG. 5 is a bottom perspective view of the drill bit.

The broken lines in FIGS. 1-5, illustrate portions of the drill bit which form no part of the claimed design. 

CLAIM The ornamental design for a drill bit, as shown and described. 